package com.sdust.controller;

import com.sdust.utils.jdbcUtils;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/book/delete")
public class DeleteBookController extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        Integer id = Integer.valueOf(req.getParameter("bookId"));
        try {
            jdbcUtils.deleteBookById(id);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        // 转发到获取全部书籍的Servlet
        RequestDispatcher dispatcher = req.getRequestDispatcher("/book/books");
        dispatcher.forward(req, resp);
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
}
